Filter frame



FIG. 1 is a top perspective view of a filter frame of the presentinvention.

FIG. 2 is a top plan view of the filter frame.

FIG. 3 is a detailed top plan view of the filter frame.

FIG. 4 is a bottom plan view of the filter frame.

FIG. 5 is a detailed bottom plan view of the filter frame.

FIG. 6 is an elevation view of the front of the filter frame, the rearview being identical.

FIG. 7 is a side elevation view of the filter frame, the opposite sideview being identical.

FIG. 8 is a detailed cutaway view of the side of the filter frameshowing four representative ridges corresponding to the four rightmostridges in FIG. 7.

FIG. 9 is a detailed top perspective view of the filter frame.

FIGS. 10-17 are detailed top perspective views of the filter frame asthe filter frame is rotated in sequence from a shallow front perspectiveview to a top perspective view.

FIG. 18 is a detailed front perspective view of the filter frame.

FIG. 19 is a detailed top perspective view of the filter frame; and,

FIG. 20 is a detailed top perspective view of the filter frame.

The dash dot lines immediately adjacent to the claimed areas in theenlarged detail views represents the cutaway of the enlarged areas andform no part of the claimed design.

CLAIM The ornamental design for a filter frame, as shown and described.